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New Section

Soon I'm going to make a major upgrade to this article. You can see the expected version under User:Omrika/sandbox/QIP/Quantum_phase_estimation, still without references but with major changes and additions. Any comments? Omrika (talk) 16:50, 30 December 2016 (UTC)[reply]

I'm not a fan of this "C-U" notation. Older versions of the article didn't have it. I haven't seen it in any other quantum computing literature. I didn't know what C-U was until I figured out that it is not supposed to be "C minus U". I recommend reverting back to the old style as the controlled nature of the unitary is already given by the circuit diagram. The redundant information only adds confusion. — Preceding unsigned comment added by 202.66.60.168 (talk) 17:13, 27 January 2017 (UTC)[reply]

I agree that the "C" should go: the standard depiction of a controlled-U gate is the bullet connected to a box labeled "U" and the present notation is misleading. --Qcomp (talk) 16:17, 28 January 2017 (UTC)[reply]

Agreed.--Robin (talk) 21:02, 20 May 2018 (UTC)[reply]

Image

In the image of the circuit, it should be "QFT_{2^n}" not "QFT_n". — Preceding unsigned comment added by 2607:9880:1A17:FFE2:305B:9CC1:77FC:E0D2 (talk) 02:48, 12 March 2019 (UTC)[reply]

As long as the article is consistent, the current notation, QFT_n, is not wrong. From a cursory look at other sources it seems that the n dependence is often omitted altogether (for example it is on Nielsen and Chuang), so I don't see it as particularly troublesome to use QFT_n here (also, changing it would require recreating the image). — Preceding unsigned comment added by Luca Innocenti (talk • contribs) 11:33, 12 March 2019 (UTC)[reply]

Revision as of 11:33, 12 March 2019 edit Luca Innocenti (talk \| contribs) 454 edits No edit summary Tag: 2017 wikitext editor ← Previous edit		Revision as of 11:35, 12 March 2019 edit undo SineBot (talk \| contribs) Bots 2,560,866 edits m Signing comment by Luca Innocenti - "" Next edit →
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	In the image of the circuit, it should be "QFT_{2^n}" not "QFT_n". <!-- Template:Unsigned IP --><small class="autosigned">— Preceding [[Wikipedia:Signatures\|unsigned]] comment added by [[Special:Contributions/2607:9880:1A17:FFE2:305B:9CC1:77FC:E0D2\|2607:9880:1A17:FFE2:305B:9CC1:77FC:E0D2]] ([[User talk:2607:9880:1A17:FFE2:305B:9CC1:77FC:E0D2#top\|talk]]) 02:48, 12 March 2019 (UTC)</small> <!--Autosigned by SineBot-->		In the image of the circuit, it should be "QFT_{2^n}" not "QFT_n". <!-- Template:Unsigned IP --><small class="autosigned">— Preceding [[Wikipedia:Signatures\|unsigned]] comment added by [[Special:Contributions/2607:9880:1A17:FFE2:305B:9CC1:77FC:E0D2\|2607:9880:1A17:FFE2:305B:9CC1:77FC:E0D2]] ([[User talk:2607:9880:1A17:FFE2:305B:9CC1:77FC:E0D2#top\|talk]]) 02:48, 12 March 2019 (UTC)</small> <!--Autosigned by SineBot-->

	: As long as the article is consistent, the current notation, QFT_n, is not wrong. From a cursory look at other sources it seems that the ''n'' dependence is often omitted altogether (for example it is on Nielsen and Chuang), so I don't see it as particularly troublesome to use QFT_n here (also, changing it would require recreating the image).		: As long as the article is consistent, the current notation, QFT_n, is not wrong. From a cursory look at other sources it seems that the ''n'' dependence is often omitted altogether (for example it is on Nielsen and Chuang), so I don't see it as particularly troublesome to use QFT_n here (also, changing it would require recreating the image). <!-- Template:Unsigned --><small class="autosigned">— Preceding [[Wikipedia:Signatures\|unsigned]] comment added by [[User:Luca Innocenti\|Luca Innocenti]] ([[User talk:Luca Innocenti#top\|talk]] • [[Special:Contributions/Luca Innocenti\|contribs]]) 11:33, 12 March 2019 (UTC)</small> <!--Autosigned by SineBot-->